Is there any difference between a GUID and a UUID?
Oct 29, 2008 · GUID is Microsoft's implementation of the UUID standard. Per Wikipedia: The term GUID usually refers to Microsoft's implementation of the Universally Unique Identifier (UUID) standard. An …
Advantages and disadvantages of GUID / UUID database keys
Jul 27, 2009 · Myths, GUID vs. Autoincrement (MySQL 5) This is realy what you want. UUID Pros Unique across every table, every database, every server Allows easy merging of records from …
В чём разница между UUID и GUID? - Stack Overflow на ...
Jun 18, 2019 · В переводе на человеческий язык это означает, что только UUID варианта 1 (10xx) соответствуют этому стандарту. В таком случае не все GUID являются UUID в понимании ITU …
What exactly is GUID? Why and where I should use it?
Dec 16, 2008 · GUID technically stands for globally unique identifier. What it is, actually, is a 128 bit structure that is unlikely to ever repeat or create a collision. If you do the maths, the domain of values …
Whats the difference between a GUID and a UUID? [duplicate]
Feb 17, 2010 · Is there any difference between a GUID and a UUID? Whats the difference between a GUID and a UUID, and which should I use for true uniqueness? Update: What things do I need for …
c# - Guid.NewGuid () vs. new Guid () - Stack Overflow
Aug 13, 2012 · 53 Guid.NewGuid() creates a new UUID using an algorithm that is designed to make collisions very, very unlikely. new Guid() creates a UUID that is all-zeros. Generally you would prefer …
database - UUID vs Long primary key - Stack Overflow
May 12, 2024 · In database design, when considering a primary key, what are the advantages and disadvantages of using UUID compared to a Long data type? I came across two different tutorials …
Which UUID version to use? - Stack Overflow
Dec 3, 2013 · Which version of the UUID should you use? I saw a lot of threads explaining what each version entails, but I am having trouble figuring out what's best for what applications.
UUID or SEQUENCE for primary key? - Stack Overflow
Nov 2, 2023 · A sequence is more efficient than a uuid because it is 8 bytes instead of 16 for the uuid. You can use a uuid as a primary key, just like most any other data type.
Are .NET GUIDs based on UUID V7 supposed to be sequential?
Apr 7, 2025 · The cause of the non-monotonicity you are seeing is that the Guid.CreateVersion7() implementation added in .NET 9 is not incremental intra-millisecond, i.e. for values generated on the …